Circumcision is concentrated in particular in rural and remoteareas of the island of Java. So far campaigns by activists who denounce the danger of infection and the violence inherent in the practice ...

Listen closely to a Java sparrow sing: Interspersed among the notes will be clicks that the bird makes with its bill. All male birds use the clicking sounds in their songs — and the patterns appear to ...

Male Java sparrows may coordinate their bill-clicking sounds with the notes of their song. Birds may communicate using both vocalizations and movement, as for instance occurs during courtship displays ...